Postcodes in Cardiff page 154 Unitary Authority

This page provides postcode data for the Cardiff UK Unitary Authority.

In 2021, Cardiff contained approximately 147,300 households with a population of about 362,400

In 2011, Cardiff contained approximately 142,598 households with a population of about 346,191

Wards in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane and Thornhill , Llandaff , Llandaff North , Llanishen , Llanrumney , Pentwyn , Pentyrch and St Fagans , Penylan , Plasnewydd , Pontprennau and Old St Mellons , Radyr , Rhiwbina , Riverside , Rumney , Splott , Trowbridge , Whitchurch and Tongwynlais

Parishes in this Unitary Authority

Adamsdown , Butetown , Caerau , Canton , Castle , Cathays , Cyncoed , Ely , Fairwater , Gabalfa , Grangetown , Heath , Lisvane , Llandaff , Llandaff North , Llanedeyrn , Llanishen , Llanrumney , Old St. Mellons , Pentwyn , Pentyrch , Penylan , Pontcanna , Pontprennau , Radyr and Morganstown , Rhiwbina , Riverside , Roath , Rumney , Splott , St. Fagans , Thornhill , Tongwynlais , Tremorfa , Trowbridge , Whitchurch

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Postcode	Ward	Latitude	Longitude	Easting	Northing	Grid ref
CF4 5RB	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5RD	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5RE	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5RF	Llanishen	51.529147	-3.182029	318100	181800	ST181817
CF4 5RG	Llanishen	51.53009	-3.177729	318400	181900	ST183819
CF4 5RH	Llanishen	51.528263	-3.180565	318200	181700	ST181817
CF4 5RJ	Llanishen	51.530075	-3.17917	318300	181900	ST182818
CF4 5RL	Llanishen	51.53096	-3.180635	318200	182000	ST181820
CF4 5RN	Llanishen	51.531888	-3.177775	318400	182100	ST184821
CF4 5RP	Lisvane and Thornhill	51.548255	-3.159449	319700	183900	ST197838
CF4 5RQ	Lisvane and Thornhill	51.538267	-3.169289	319000	182800	ST189828
CF4 5RR	Lisvane and Thornhill	51.542632	-3.182379	318100	183300	ST180833
CF4 5RS	Lisvane and Thornhill	51.540819	-3.183774	318000	183100	ST179830
CF4 5RT	Lisvane and Thornhill	51.542632	-3.182379	318100	183300	ST180833
CF4 5RU	Lisvane and Thornhill	51.541747	-3.180914	318200	183200	ST181831
CF4 5RW	Lisvane and Thornhill	51.541747	-3.180914	318200	183200	ST181831
CF4 5RX	Lisvane and Thornhill	51.540863	-3.179449	318300	183100	ST182831
CF4 5RY	Llanishen	51.533686	-3.177822	318400	182300	ST183823
CF4 5RZ	Llanishen	51.532787	-3.177798	318400	182200	ST184822
CF4 5SA	Llanishen	51.532743	-3.182122	318100	182200	ST181821
CF4 5SB	Llanishen	51.531859	-3.180658	318200	182100	ST181821
CF4 5SD	Llanishen	51.532772	-3.17924	318300	182200	ST182821
CF4 5SE	Llanishen	51.532772	-3.17924	318300	182200	ST182821
CF4 5SF	Lisvane and Thornhill	51.535512	-3.174985	318600	182500	ST186824
CF4 5SG	Lisvane and Thornhill	51.538267	-3.169289	319000	182800	ST189828
CF4 5SH	Lisvane and Thornhill	51.540079	-3.167893	319100	183000	ST190829
CF4 5SJ	Lisvane and Thornhill	51.540079	-3.167893	319100	183000	ST190829
CF4 5SL	Lisvane and Thornhill	51.53918	-3.16787	319100	182900	ST190828
CF4 5SN	Lisvane and Thornhill	51.549083	-3.166681	319200	184000	ST192840
CF4 5SP	Lisvane and Thornhill	51.540978	-3.167916	319100	183100	ST190830
CF4 5SQ	Lisvane and Thornhill	51.540964	-3.169358	319000	183100	ST189831
CF4 5SR	Lisvane and Thornhill	51.539108	-3.175078	318600	182900	ST185828
CF4 5SS	Lisvane and Thornhill	51.540964	-3.169358	319000	183100	ST189831
CF4 5ST	Lisvane and Thornhill	51.54005	-3.170776	318900	183000	ST189829
CF4 5SU	Lisvane and Thornhill	51.539108	-3.175078	318600	182900	ST185828
CF4 5SW	Lisvane and Thornhill	51.538195	-3.176496	318500	182800	ST185828
CF4 5SX	Lisvane and Thornhill	51.540949	-3.170799	318900	183100	ST189830
CF4 5SY	Lisvane and Thornhill	51.541834	-3.172264	318800	183200	ST187832
CF4 5SZ	Lisvane and Thornhill	51.542704	-3.17517	318600	183300	ST186833
CF4 5TA	Lisvane and Thornhill	51.540949	-3.170799	318900	183100	ST189830
CF4 5TB	Lisvane and Thornhill	51.541805	-3.175147	318600	183200	ST186832
CF4 5TD	Lisvane and Thornhill	51.540906	-3.175124	318600	183100	ST186830
CF4 5TE	Lisvane and Thornhill	51.54269	-3.176612	318500	183300	ST185833
CF4 5TF	Lisvane and Thornhill	51.541776	-3.17803	318400	183200	ST184831
CF4 5TG	Lisvane and Thornhill	51.541791	-3.176589	318500	183200	ST184832
CF4 5TH	Lisvane and Thornhill	51.540892	-3.176566	318500	183100	ST184831
CF4 5TJ	Lisvane and Thornhill	51.539993	-3.176542	318500	183000	ST185830
CF4 5TL	Lisvane and Thornhill	51.538166	-3.179379	318300	182800	ST183828
CF4 5TN	Lisvane and Thornhill	51.53818	-3.177938	318400	182800	ST183827
CF4 5TP	Lisvane and Thornhill	51.544254	-3.181988	318130	183480	ST181834
CF4 5TQ	Lisvane and Thornhill	51.541747	-3.180914	318200	183200	ST181831
CF4 5TR	Llanishen	51.526823	-3.198402	316960	181560	ST169815
CF4 5TS	Llanishen	51.530902	-3.1864	317800	182000	ST177820
CF4 5TT	Lisvane and Thornhill	51.534613	-3.174962	318600	182400	ST185823
CF4 5TU	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5TW	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5TX	Llanishen	51.527174	-3.199277	316900	181600	ST168816
CF4 5TY	Llanishen	51.533671	-3.179263	318300	182300	ST182822
CF4 5TZ	Llanishen	51.527174	-3.199277	316900	181600	ST168816
CF4 5UA	Rhiwbina	51.536959	-3.209627	316200	182700	ST161827
CF4 5UB	Lisvane and Thornhill	51.550517	-3.202775	316700	184200	ST167842
CF4 5UD	Lisvane and Thornhill	51.551533	-3.191263	317500	184300	ST175842
CF4 5UE	Lisvane and Thornhill	51.544458	-3.179542	318300	183500	ST182834
CF4 5UF	Lisvane and Thornhill	51.550751	-3.179705	318300	184200	ST182841
CF4 5UG	Lisvane and Thornhill	51.542675	-3.178054	318400	183300	ST183832
CF4 5UH	Lisvane and Thornhill	51.542675	-3.178054	318400	183300	ST183832
CF4 5UJ	Lisvane and Thornhill	51.544458	-3.179542	318300	183500	ST182834
CF4 5UL	Lisvane and Thornhill	51.545357	-3.179565	318300	183600	ST183835
CF4 5UN	Llanishen	51.527183	-3.198412	316960	181600	ST169816
CF4 5UP	Llanishen	51.534526	-3.18361	318000	182400	ST180823
CF4 5UQ	Lisvane and Thornhill	51.536324	-3.183657	318000	182600	ST179825
CF4 5UR	Lisvane and Thornhill	51.536324	-3.183657	318000	182600	ST179825
CF4 5US	Lisvane and Thornhill	51.536397	-3.17645	318500	182600	ST184826
CF4 5UT	Llanishen	51.529089	-3.187794	317700	181800	ST177817
CF4 5UU	Llanishen	51.530902	-3.1864	317800	182000	ST177820
CF4 5UW	Llanishen	51.53183	-3.18354	318000	182100	ST180821
CF4 5UX	Llanishen	51.530931	-3.183517	318000	182000	ST180820
CF4 5UY	Llanishen	51.530003	-3.186376	317800	181900	ST178819
CF4 5UZ	Llanishen	51.530017	-3.184935	317900	181900	ST178818
CF4 5WA	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WB	Llanishen	51.527558	-3.196836	317070	181640	ST170816
CF4 5WD	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WE	Llanishen	51.527015	-3.197254	317040	181580	ST170815
CF4 5WF	Llanishen	51.523224	-3.189804	317550	181150	ST175811
CF4 5WG	Llanishen	51.527015	-3.197254	317040	181580	ST170815
CF4 5WH	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WJ	Llanishen	51.522573	-3.191949	317400	181080	ST173810
CF4 5WL	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5WN	Llanishen	51.522573	-3.191949	317400	181080	ST173810
CF4 5WP	Llanishen	51.527015	-3.197254	317040	181580	ST170815
CF4 5WQ	Llanishen	51.532402	-3.187361	317736	182168	ST177821
CF4 5WR	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WS	Llanishen	51.532402	-3.187376	317735	182168	ST177821
CF4 5WT	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WU	Llanishen	51.522307	-3.191509	317430	181050	ST174810
CF4 5WW	Llanishen	51.527015	-3.197254	317040	181580	ST170815
CF4 5WX	Llanishen	51.527189	-3.197835	317000	181600	ST170816
CF4 5WY	Llanishen	51.527015	-3.197254	317040	181580	ST170815
CF4 5WZ	Llanishen	51.52672	-3.190904	317480	181540	ST174815
CF4 5XA	Llanishen	51.533642	-3.182146	318100	182300	ST180822

Contains OS data © Crown copyright and database right 2025
Contains Royal Mail data © Royal Mail copyright and database right 2025
Contains National Statistics data © Crown copyright and database rights 2025
Source: Office for National Statistics licensed under the Open Government Licence v.3.0
Contains data from Wikipedia covered by the Creative Commons license